Marshall CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 29, 2024 | <1 hr | 6,460 (31%) | Unnamed event |
| Sep 22, 2024 | <1 hr | 6,460 (31%) | Unnamed event |
| Sep 29, 2024 | <1 hr | 6,460 (31%) | Unnamed event |
| Sep 29, 2024 | <1 hr | 6,460 (31%) | Unnamed event |
| Sep 1, 2024 | <1 hr | 6,188 (29%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Marshall County, Indiana that day.
Over the 11 years from 2015 to 2025, Marshall County recorded 321 distinct power outage events, averaging 10.9 hours per event.
The single worst outage on record in Marshall County started September 29, 2024, lasting less than 1 hour and leaving up to 6,460 customers without power (31% of the county) at its peak.
July has historically been the worst month for outages in Marshall County, with 59 events recorded during that month across the dataset.
Based on this history, Marshall County earns a Reliability Grade of C, placing it in the 45th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Marshall County.
| County | Grade | National percentile |
|---|---|---|
| Benton County | C | 44th |
| Knox County | C | 46th |
| Harrison County | C | 46th |
| Posey County | C | 44th |
| Lawrence County | C | 47th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Marshall County?
Between 2015 and 2025, Marshall County recorded 321 outage events, averaging 10.9 hours each.
What is Marshall County's reliability grade?
Marshall County has a Reliability Grade of C, in the 45th national percentile.
What was the worst power outage in Marshall County?
The worst outage on record started September 29, 2024, lasting less than 1 hour and affecting up to 6,460 customers.